Correct Spark Plug
Correct Spark Plug
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
Auto-Lite was once a Division of Ford Motor Company, but in the 1970's, the US Government made Ford** sell Auto-Lite because they said Ford had a monoploy on Spark Plugs, and other electical items. So Ford sold Auto-Lite and started a new in house company-Motorcraft.
So, since the 1970's, Auto-Lite is not connected to Ford Motor Company. Ford may recommend an Auto-Lite product, but they no longer own it.
**Ford argued in the 1970's that since GM owned Delco (Dayton Electric Laboratories Company), why couldn't they own Auto-Lite? The governments answer was that GM had owned Delco since 1911, and there were no laws governing monoploys back then...a lame excuse.
No where on any Auto-Lite package will you see "Auto-Lite, a Division of Ford Motor Company"...unless the box is pre 1973 or so.
So, since the 1970's, Auto-Lite is not connected to Ford Motor Company. Ford may recommend an Auto-Lite product, but they no longer own it.
**Ford argued in the 1970's that since GM owned Delco (Dayton Electric Laboratories Company), why couldn't they own Auto-Lite? The governments answer was that GM had owned Delco since 1911, and there were no laws governing monoploys back then...a lame excuse.
No where on any Auto-Lite package will you see "Auto-Lite, a Division of Ford Motor Company"...unless the box is pre 1973 or so.
Last edited by NumberDummy; Feb 28, 2007 at 04:52 PM.
Freshman User
Joined: Aug 2005
Posts: 48
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you've got some big ***** madrock, I give you all the respect in the world. When i was eighteen i had a 88 dodge daytona 2.4 and 89 daytona 2.4 turbo. I put those plugs in both for tune up time and 11 days exactly, both my cars took a crap. They say they are for every car, no gapping needed, this and that. It burnt this spot on my computer motherboard in the exact same spot on both cars. If i had the time and money, there might have been some sort of lawsuit. Good luck with them though.
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Senior User
Joined: Oct 2005
Posts: 163
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From: buffalo wyoming
I have been running the Bosch Platnimum for almost 4 years in my 79 F250 with 400cid with no problems at all. I am also running a set in my 67 bronco with 289cid with over 3 years use with no problems. The plugs were installed by the previous owner in the 79 and have been running flawlessly for at least 5+ years. These are the single electrode plugs and they are specific to the engine they are installed in and gapped with Bosch's special plug gapping tool. I bought the bronco plugs and gapper from LMC.
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Post Fiend
Joined: Jan 2003
Posts: 10,323
Likes: 2
From: Montana Territory
I run Bosch Platinums in my built 400, I think the box number is 4208.
I run NGK in everything else from my dirtbikes and streetbikes to my ford pickups and my lawnmowers. They are a premium quality plug.
Autolite is owned by Honeywell corporation, the same company that owns Fram filters. I regard them as the same quality product.... very low.
The correct plug is Motorcraft ASF24 I think. There are a lot of different brands you can use though.
I run NGK in everything else from my dirtbikes and streetbikes to my ford pickups and my lawnmowers. They are a premium quality plug.
Autolite is owned by Honeywell corporation, the same company that owns Fram filters. I regard them as the same quality product.... very low.
The correct plug is Motorcraft ASF24 I think. There are a lot of different brands you can use though.
Last edited by Matts72; Mar 1, 2007 at 11:53 PM.
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